Home / 71,528.44-107,297.46-18,937.24

Finding the Fourth Proportional to 71,528.44, 107,297.46 and 18,937.24

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Solution

The fourth proportional to 71,528.44, 107,297.46 and 18,937.24 is: 28,407.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,528.44 : 107,297.46 = 18,937.24 : x
  2. Step 2: Convert to fraction form
    71,528.44/107,297.46 = 18,937.24/x
  3. Step 3: Cross multiply
    71,528.44x = 107,297.46 × 18,937.24
  4. Step 4: Simplify right side
    71,528.44x = 2,031,917,751.41
  5. Step 5: Solve for x
    x = 2,031,917,751.41/71,528.44
  6. Step 6: Final answer
    x = 28,407.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.